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<?php |
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defined( 'WPINC' ) || die; |
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/** |
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* Checks for minimum system requirments on plugin activation |
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* @version 1.0.0 |
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*/ |
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class GL_Plugin_Check |
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{ |
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const MIN_PHP_VERSION = '5.6.0'; |
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const MIN_WORDPRESS_VERSION = '4.7.0'; |
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/** |
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* @var string |
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*/ |
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protected static $file; |
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/** |
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* @var static |
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*/ |
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protected static $instance; |
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/** |
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* @var object |
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*/ |
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protected static $versions; |
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/** |
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* @return bool |
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*/ |
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public static function isValid( array $args = array() ) |
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{ |
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$versions = static::normalize( $args ); |
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return static::isPhpValid( $versions->php ) && static::isWpValid( $versions->wordpress ); |
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} |
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/** |
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* @param string $version |
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* @return bool |
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*/ |
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public static function isPhpValid( $version = '' ) |
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{ |
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$versions = array( 'php' => $version ); |
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return !version_compare( PHP_VERSION, static::normalize( $versions )->php, '<' ); |
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} |
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/** |
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* @param string $version |
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* @return bool |
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*/ |
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public static function isWpValid( $version = '' ) |
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{ |
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global $wp_version; |
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$versions = array( 'wordpress' => $version ); |
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return !version_compare( $wp_version, static::normalize( $versions )->wordpress, '<' ); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function shouldDeactivate( $file, array $args = [] ) |
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{ |
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if( empty( static::$instance )) { |
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static::$file = realpath( $file ); |
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static::$instance = new static; |
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static::$versions = static::normalize( $args ); |
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} |
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if( !static::isValid() ) { |
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add_action( 'activated_plugin', array( static::$instance, 'deactivate' )); |
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add_action( 'admin_notices', array( static::$instance, 'deactivate' )); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return void |
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*/ |
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public function deactivate( $plugin ) |
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{ |
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if( static::isValid() )return; |
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$pluginSlug = plugin_basename( static::$file ); |
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if( $plugin == $pluginSlug ) { |
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$this->redirect(); //exit |
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} |
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$pluginData = get_file_data( static::$file, array( 'name' => 'Plugin Name' ), 'plugin' ); |
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deactivate_plugins( $pluginSlug ); |
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$this->printNotice( $pluginData['name'] ); |
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} |
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/** |
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* @return object |
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*/ |
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protected static function normalize( array $args = [] ) |
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{ |
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return (object) wp_parse_args( $args, array( |
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'php' => static::MIN_PHP_VERSION, |
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'wordpress' => static::MIN_WORDPRESS_VERSION, |
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)); |
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} |
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/** |
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* @return void |
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*/ |
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protected function redirect() |
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{ |
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wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s', |
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filter_input( INPUT_GET, 'plugin_status' ), |
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filter_input( INPUT_GET, 'paged' ), |
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filter_input( INPUT_GET, 's' ) |
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))); |
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exit; |
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} |
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/** |
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* @param string $pluginName |
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* @return void |
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*/ |
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protected function printNotice( $pluginName ) |
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{ |
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$noticeTemplate = '<div id="message" class="notice notice-error error is-dismissible"><p><strong>%s</strong></p><p>%s</p><p>%s</p></div>'; |
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$messages = array( |
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__( 'The %s plugin was deactivated.', 'logger' ), |
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__( 'Sorry, this plugin requires %s or greater in order to work properly.', 'logger' ), |
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__( 'Please contact your hosting provider or server administrator to upgrade the version of PHP on your server (your server is running PHP version %s), or try to find an alternative plugin.', 'logger' ), |
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__( 'PHP version', 'logger' ), |
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__( 'WordPress version', 'logger' ), |
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__( 'Update WordPress', 'logger' ), |
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); |
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if( !static::isPhpValid() ) { |
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printf( $noticeTemplate, |
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sprintf( $messages[0], $pluginName ), |
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sprintf( $messages[1], $messages[3].' '.(static::$versions)->php ), |
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sprintf( $messages[2], PHP_VERSION ) |
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); |
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} |
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else if( !static::isWpValid() ) { |
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printf( $noticeTemplate, |
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sprintf( $messages[0], $pluginName ), |
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sprintf( $messages[1], $messages[4].' '.(static::$versions)->wordpress ), |
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sprintf( '<a href="%s">%s</a>', admin_url( 'update-core.php' ), $messages[5] ) |
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); |
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} |
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} |
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} |
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geminilabs /
logger
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.